| Ukiah to Cervignano del Friuli | 5,978.98 mi (9,622.24 km) |
| Ukiah to Cesa | 6,287.54 mi (10,118.82 km) |
| Ukiah to Cesano Maderno | 5,877.89 mi (9,459.55 km) |
| Ukiah to Cesena | 6,048.21 mi (9,733.65 km) |
| Ukiah to Cesenatico | 6,048.71 mi (9,734.46 km) |
| Ukiah to Cetraro | 6,421.07 mi (10,333.72 km) |
| Ukiah to Cherasco | 5,896.84 mi (9,490.04 km) |
| Ukiah to Chiampo | 5,940.88 mi (9,560.93 km) |
| Ukiah to Chiaravalle | 6,108.81 mi (9,831.18 km) |
| Ukiah to Chiari | 5,904.58 mi (9,502.50 km) |
| Ukiah to Chiavari | 5,957.50 mi (9,587.68 km) |
| Ukiah to Chieri | 5,875.20 mi (9,455.23 km) |
| Ukiah to Chieti | 6,204.38 mi (9,984.99 km) |
| Ukiah to Chioggia | 5,986.51 mi (9,634.35 km) |
| Ukiah to Chiusi | 6,105.14 mi (9,825.27 km) |
